Lec17 - 2. Peptidoglycans Building blocks of the bacterial...

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2. Peptidoglycans Building blocks of the bacterial cell wall Glycosaminoglycan chains Oligopeptides
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Peptidoglycans Building blocks of the bacterial cell wall Glycosaminogly can chains Oligopeptides
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Provides rigidity & Shape Enables bacterium to live in a hypotonic environment Bacterial cell wall
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O- and N-linked Oligosaccharides
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Structural function Protection Recognition Antigenic determinant
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Cell Surface
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LIPIDS & BIOLOGICAL MEMBRANES Ch. 9
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Lipids Heterogeneous Poorly soluble in water
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Lipid Functions Building blocks for membranes Energy storage Act as hormones Mediators of signal transduction
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1. Fatty acids 2. Triacylglycerols 3. Glycerophospholipids 4. Sphingolipids 5. Steroids 6. Other lipids Lipid Classification
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1. Fatty Acids Function Storage of energy Building blocks for other lipids Carboxylic acids with hydrocarbon side chains
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18:0 18:1 ( 9 ) 18:2 ( 9,12 )
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Saturated Unsaturated double bonds are usually in the cis
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This note was uploaded on 10/28/2010 for the course CHEM 114A taught by Professor Viadhiu during the Fall '08 term at UCSD.

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Lec17 - 2. Peptidoglycans Building blocks of the bacterial...

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